SimpleFragmentParallelPlanner (IoTDB Server 0.14.0-preview2 API)

java.lang.Object
- org.apache.iotdb.db.mpp.plan.planner.distribution.SimpleFragmentParallelPlanner

All Implemented Interfaces:

IFragmentParallelPlaner
```
public class SimpleFragmentParallelPlanner
extends java.lang.Object
implements IFragmentParallelPlaner
```
A simple implementation of IFragmentParallelPlaner. This planner will transform one PlanFragment into only one FragmentInstance.

Constructor Summary

Constructors
Constructor	Description
`SimpleFragmentParallelPlanner(SubPlan subPlan, Analysis analysis, MPPQueryContext context)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.List<FragmentInstance>`	`parallelPlan()`	The relation between each PlanFragment is necessary because sometimes we need to change the source/sink for each FragmentInstance according to its upstream/downstream

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SimpleFragmentParallelPlanner
```
public SimpleFragmentParallelPlanner(SubPlan subPlan,
                                     Analysis analysis,
                                     MPPQueryContext context)
```
- Method Detail
  - parallelPlan
```
public java.util.List<FragmentInstance> parallelPlan()
```
    Description copied from interface: IFragmentParallelPlaner
    
    The relation between each PlanFragment is necessary because sometimes we need to change the source/sink for each FragmentInstance according to its upstream/downstream
    
    Specified by:
    
    parallelPlan in interface IFragmentParallelPlaner
    
    Returns:
    
    All the FragmentInstances which can run in parallel